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Development of Multiband Dynamic Range Compressor Regarding Noise Characteristics

It is hard to hear sounds from digital TV or mobile phone in noisy environment because of masking effect. It could be solved by a simple amplification; however, special process for masking bands will be a further solution in some restricted situation. We proposed an algorithm named 'perceptual irrelevant component elimination' using a modified multiband dynamic range compressor, which does not increase the signal level and enhances its perceptual signal-to-noise ratio by about 1 dB for speech signals and about 3 dB for music signals.

Authors: Heo, Hoon; Lee, Mingu; Lee, Seokjin; Sung, Koeng-Mo
Affiliation: Seoul National University, Seoul, Korea
AES Convention:130 (May 2011) Paper Number:8454 Import into BibTeX
Subject:Posters: Processing and Analysis

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